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CSC Detector Control System

CSC Detector Control System. V. Polychronakos, BNL. CSC DCS Constraints. High Radiation Environment (up to 20 krad ionizing dose – worst case inner radius, but no safety factor) Hi risk of SEE  following design considerations: Few components, radiation qualified

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CSC Detector Control System

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  1. CSC Detector Control System V. Polychronakos, BNL Muon Week, Dec. 2002 - V. Polychronakos

  2. CSC DCS Constraints • High Radiation Environment (up to 20 krad ionizing dose – worst case inner radius, but no safety factor) • Hi risk of SEE  following design considerations: • Few components, radiation qualified • No memories, no configuration registers • No JTAG, I2C, etc • Galvanic isolation of Chambers, no copper connections to chambers other than LV, HV – All signals to/from the chamber transmitted optically • Although certain sensors may be located on the chambers DCS components (ELMB etc) have to be at a larger radius (perimeter of Small Wheel, spokes, or even coexist with EI MDTs?? Muon Week, Dec. 2002 - V. Polychronakos

  3. CSC DCS Requirements Three distinct categories: Category 1. • ASMI/ASMII voltage and current monitoring • Calibration Category 2. • B-field sensors • Radiation levels • Temperature and Atmospheric Pressure (at two points/Endcap) Category 3. • HV/LV control and monitoring • Gas system control and monitoring • Cooling System control and monitoring Muon Week, Dec. 2002 - V. Polychronakos

  4. Implementation Plan • Category 1 – Sensors in Faraday Cage, Use data path to ROD, then DDC link(ethernet) to DCS system • Category 2 – Custom (copy someone’s?) sensor/ELMB • Category 3 – Provided CANbus links (e.g. Wiener PS, etc) Not clear if Gas and Cooling System components will provide similar links, but copy what others in ATLAS invent Establish collaboration with NTU team for implementation of needed Hardware, Software, and overall System Architecture Muon Week, Dec. 2002 - V. Polychronakos

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